*{
    margin: 0;
    padding: 0;
    list-style: none;
}
a{
    text-decoration: none;
}
.head{
    width: 100vw;
    height: 40px;
    background-color: #333;
}
.head-wrapper{
    width: 1200px;
    height: 100%;
    margin: 0 auto;
    display: flex;
    justify-content: space-between;
    align-items: center;
    font-size: 12px;
    color: #999;
}
.head-wrapper .head-list{
    width: 600px;
    height: 100%;
    display: flex;
    justify-content: start;
    align-items: center;
}
.head-wrapper .head-list li .shuxian{
    margin: 0 8px;
}
.head-wrapper .head-right{
    width: 200px;
    height: 100%;
    display: flex;
    justify-content:space-between;
    align-items: center;
}
.head-wrapper .head-right .dl{
    width: 200px;
    height: 100%;
    display: flex;
    justify-content: space-between;
    align-items: center;
}
.container{
    width: 100vw;
    height: 100px;
}
.container-wrapper{
    width: 1200px;
    height: 100%;
    margin: 0 auto;
    display: flex;
    justify-content: space-between;
    align-items: center;
    font-size: 14px;
    color: #333;
}
.container-wrapper .logo{
    width: 50px;
    height: 50px;
}
.container-wrapper .logo img{    
    width: 50px;
    height: 50px;
}
.container-wrapper .phone{
    width: 600px;
    height: 100%;
    display: flex;
    justify-content: space-between;
    align-items: center;
}
.container-wrapper .search{
    width: 250px;
    height: 100%;
    display: flex;
    justify-content: space-between;
    align-items: center;
}
.container-wrapper .search .kong{
    width: 200px;
    height: 50px;
    border: 1px solid #e2e2e2;
}
.container-wrapper .search .go{
    width: 50px;
    height: 50px;
    font-weight: 600;
    font-size: 20px;
    padding-left: 15px;
    line-height: 50px;
    border: 1px solid #e2e2e2;
    border-left: none;
}
.main{
    width: 100vw;
    height: 450px;
}
.main-wrapper{
    width: 1200px;
    height: 100%;
    margin: 0 auto;
    display: flex;
    justify-content: space-between;
    align-items: center;
}
.main-wrapper .main-list{
    width: 200px;
    height: 100%;
    display: flex;
    justify-content: space-around;
    align-items: center;
    flex-direction: column;
    background-color: #333; 
}
.main-wrapper .main-list li{
    width: 100%;
    height: 40px;
    line-height: 40px;
    color: #fff;
    font-size: 12px;
    padding: 0 20px;
    box-sizing: border-box;
}
.main-wrapper .main-list li span{
    float: right;
}
.main-wrapper .main-img{
    width: 1000px;
    height: 100%;
    background-image: url(./学生用资源/image/T1vWdTBKDv1RXrhCrK.jpg);
    background-position: right;
}
.chanpin{
    width: 100vw;
    height: 160px;
    margin-top: 20px;
}
.chanpin-wrapper{
    width: 1200px;
    height: 100%;
    margin: 0 auto;
    display: flex;
    justify-content: space-between;
    align-items: center;
}
.chanpin-wrapper .chanpin-list{
    width: 200px;
    height: 100%;
    display: flex;
    justify-content: space-between;
    align-items: center;
    flex-wrap: wrap;
    font-size: 12px;
    color: #fff;
    background-color: sienna;
 
}
.chanpin-wrapper .chanpin-list li{
    width: 60px;
    height: 70px;
    display: flex;
    align-items: center;
    box-sizing: border-box;
    border: 1px solid #999;
}
.chanpin-wrapper .chanpin-right{
    width: 980px;
    height: 100%;
    display: flex;
    justify-content:space-between;
    align-items: center;

}
.chanpin-wrapper .chanpin-right li{
    width: 300px;
    height: 100%;

}
.chanpin-wrapper .chanpin-right li img{
    width: 100%;
    height: 100%;
}
.danpin{
    width: 100vw;
    height: 300px;
    margin-top: 20px;
}
.danpin-wrapper{
    width: 1200px;
    height: 100%;
    margin: 0 auto;
}
.danpin-title{
    width: 100%;
    height:40px;
    display: flex;
    justify-content: space-between;
    align-items: center;
}  
.danpin-title .title-name{
    width: 200px;
    height:100%;
    font-size: 22px;
    font-weight: 500;
}  
.danpin-title .choice{
    width: 100px;
    height:100%;
    display: flex;
    justify-content: space-between;
    align-items: center;
}  
.danpin-title .choice li{
    width: 50px;
    height:20px;
    padding-left:15px;
    box-sizing: border-box;
    border: 1px solid #e2e2e2;
}
.danpin-main{
    width: 100%;
    height:260px;
    display: flex;
    justify-content: space-between;
    align-items: center;
    box-sizing: border-box;
    margin-bottom: 30px;
}    
.danpin-main li{
    width: 200px;
    height:100%;
    display: flex;
    justify-content: space-around;
    align-items: center;
    background-color: #f5f5f5;
    flex-direction: column;        
    border-top: 1px sollid #ff6700;
}
.danpin-main .danpin-name{
    font-size: 14px;
}
.danpin-main .danpin-neirong{
    font-size: 12px;
    color: #999;
}
.zhineng{
    width: 100vw;
    height: 550px;
    margin-top: 20px;
    background-color: #f1f1f1;
}
.zhineng-wrapper{
    width: 1200px;
    height: 100%;
    margin: 0 auto;
}
.zhineng-title{
    width: 100%;
    height:40px;
    font-size: 22px;
    font-weight: 500;
}  
.zhineng-main{
    width: 100%;
    height:460px;
    display: flex;
    justify-content: space-between;
    align-items: center;
    box-sizing: border-box;
}    
.zhineng-main .kongqi{
    width: 200px;
    height: 100%;
}
.zhineng-main .kongqi img{
    width: 100%;
    height: 100%;
}
.zhineng-main ul{
    width: 1000px;
    height: 100%;
    display: flex;
    justify-content: space-between;
    align-items: center;
    flex-wrap: wrap;
    flex-direction: column;
}
.zhineng-main ul li{
    width: 200px;
    height:200px;
    display: flex;
    justify-content: space-around;
    align-items: center;
    flex-direction: column;  
    background-color: #fff;      
}
.zhinengname{
    font-size: 14px;
}
.jieshao{
    font-size: 10px;
    color: #999;
}
.jiage{
    font-size: 14px;
    color: #ff6700;
}
.fuwu{
    width: 100vw;
    height: 70px;
}
.fuwu-wrapper{
    width: 1200px;
    height: 100%;
    margin: 0 auto;
    border-bottom: 2px solid #999;
    color: #999;
    display: flex;
    justify-content: center;
    align-items: center;
}
.fuwu-wrapper li span{
    margin: 0 50px;
}
.help{
    width: 100vw;
    height: 150px;
    margin: 40px 0;
}
.help-wrapper{
    width: 1200px;
    height: 100%;
    margin: 0 auto;
    display: flex;
    justify-content:space-between;
    align-items: center;
}
.help-left{
    width: 700px;
    height: 100%;
    display: flex;
    justify-content:center;
    align-items: center;
}
.help-right{
    width: 250px;
    height: 100%;
    border-left: 1px solid #999;
    display: flex;
    justify-content:center;
    align-items: center;
    flex-direction: column;
}
.help-left li{
    width: 150px;
    height: 100%;
}
.help-left li h3{
    font-size: 14px;
    margin: 10px 0;
}
.help-left li p{
    font-size: 12px;
    color: #999;
    margin: 5px 0;
}
.help-right h2{
    font-size: 14px;
    margin: 10px 0;
    color: #ff6700;
}
.help-right p{
    font-size: 12px;
    margin: 2px 0;
}
.help-right .hour{
    font-size: 12px;
    margin: 10px 0;
    color: #ff6700;
    display: inline-block;
    border: 1px solid #ff6700;
}
.buttom{
    width: 100vw;
    height: 80px;
    background-color: #f1f1f1;
}
.buttom-wrapper{
    width: 1200px;
    height: 100%;
    margin: 0 auto;
    display: flex;
    justify-content:start;
    align-items: center;
}
.buttom .buttom-wrapper .buttom-logo{
    width: 40px;
    height: 40px;
    background-color: #ff6700;
}
.buttom .buttom-wrapper .buttom-logo img{
    width: 40px;
    height: 40px;
}
.buttom .buttom-wrapper ul{
    flex: 1;
    height: 50px;
    display: flex;
    justify-content:start;
    font-size: 12px;
    color: #999;
    align-items: center;
}
.buttom .buttom-wrapper ul span{
    color: #333;
}